28078218

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1259}}^1$

素因数の和:1336

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 44497782

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 59, 63, 118, 126, 177, 189, 354, 378, 413, 531, 826, 1062, 1239, 1259, 1593, 2478, 2518, 3186, 3717, 3777, 7434, 7554, 8813, 11151, 11331, 17626, 22302, 22662, 26439, 33993, 52878, 67986, 74281, 79317, 148562, 158634, 222843, 237951, 445686, 475902, 519967, 668529, 1039934, 1337058, 1559901, 2005587, 3119802, 4011174, 4679703, 9359406, 14039109, 28078218]

約数ペア:

[(1, 28078218), (2, 14039109), (3, 9359406), (6, 4679703), (7, 4011174), (9, 3119802), (14, 2005587), (18, 1559901), (21, 1337058), (27, 1039934), (42, 668529), (54, 519967), (59, 475902), (63, 445686), (118, 237951), (126, 222843), (177, 158634), (189, 148562), (354, 79317), (378, 74281), (413, 67986), (531, 52878), (826, 33993), (1062, 26439), (1239, 22662), (1259, 22302), (1593, 17626), (2478, 11331), (2518, 11151), (3186, 8813), (3717, 7554), (3777, 7434)]